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Finding the Fourth Proportional to 53,245.62, 73,476.11 and 31,759.70

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Solution

The fourth proportional to 53,245.62, 73,476.11 and 31,759.70 is: 43,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245.62 : 73,476.11 = 31,759.70 : x
  2. Step 2: Convert to fraction form
    53,245.62/73,476.11 = 31,759.70/x
  3. Step 3: Cross multiply
    53,245.62x = 73,476.11 × 31,759.70
  4. Step 4: Simplify right side
    53,245.62x = 2,333,578,922.79
  5. Step 5: Solve for x
    x = 2,333,578,922.79/53,245.62
  6. Step 6: Final answer
    x = 43,826.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.